1 //===- llvm/Analysis/FindUsedTypes.h - Find all Types in use -----*- C++ -*--=//
3 // This pass is used to seek out all of the types in use by the program.
5 //===----------------------------------------------------------------------===//
7 #ifndef LLVM_ANALYSIS_FINDUSEDTYPES_H
8 #define LLVM_ANALYSIS_FINDUSEDTYPES_H
10 #include "llvm/Pass.h"
15 class FindUsedTypes : public Pass {
16 std::set<const Type *> UsedTypes;
18 // FindUsedTypes ctor - This pass can optionally include types that are
19 // referenced only in symbol tables, but the default is not to.
23 // getTypes - After the pass has been run, return the set containing all of
24 // the types used in the module.
26 const std::set<const Type *> &getTypes() const { return UsedTypes; }
28 // Print the types found in the module. If the optional Module parameter is
29 // passed in, then the types are printed symbolically if possible, using the
30 // symbol table from the module.
32 void print(std::ostream &o, const Module *M) const;
35 // IncorporateType - Incorporate one type and all of its subtypes into the
36 // collection of used types.
38 void IncorporateType(const Type *Ty);
41 // run - This incorporates all types used by the specified module
45 // getAnalysisUsage - Of course, we provide ourself...
47 virtual void getAnalysisUsage(AnalysisUsage &AU) const {